As the first actual pressure-sensitive iPad stylus to reach the market, E Fun's pricey new aPen A5 ($129) is capable of registering more precise handwriting, drawing, and other pen-like input using a combination of a battery-powered stylus and a Dock Connector-based dongle, which is unusually large -- and a contrast with other, Bluetooth-based solutions that have been demonstrated but not yet shipped. Because aPen A5 uses a unique hardware approach…
